C1551
DTC C1551
Circuit Description
The power steering control module distinguishes the ignition switch status as On or Off through the IG power source circuit.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC C1551 IG Power Supply Voltage Malfunction
Conditions for Running the DTC
This DTC shall run when key is inserted into key cylinder.
Conditions for Setting the DTC
The IG power source circuit malfunction inside the power steering control module.
Action Taken When the DTC Sets
* Power assist stops.
* The P/S warning indicator illuminates.
Conditions for Clearing the DTC
The DTC will clear when conditions for setting the DTC have been repaired.
Diagnostic Aids
If the steering column or power steering control module has been replaced, the rotation angle sensor initialization and torque sensor zero point calibration, must be performed. Refer to Steering Angle Sensor Initialization and Steering Shaft Torque Sensor Zero Point Calibration (Manual) (Steering Angle Sensor Initialization and Steering Shaft Torque Sensor Zero Point Calibration (Manual))Steering Angle Sensor Initialization and Steering Shaft Torque Sensor Zero Point Calibration (Scan Tool) (Steering Angle Sensor Initialization and Steering Shaft Torque Sensor Zero Point Calibration (Scan Tool)).